density

英 [ˈdensəti]

美 [ˈdensəti]

n.  密集; 稠密; 密度; 浓度; 密度(固体、液体或气体单位体积的质量); 密度(磁盘存储数据的可用空间)

复数：densities　

CET4CET6考研TOEFLIELTSTEM4TEM8化学

Collins.1 / BNC.3745 / COCA.4513

牛津词典

noun

• 密集；稠密；密度；浓度
  the quality of being dense ; the degree to which sth is dense
  1. population density
     人口密度
  2. low density forest
     低密度森林
• 密度（固体、液体或气体单位体积的质量）
  the thickness of a solid, liquid or gas measured by its mass per unit of volume
  1. the density of a gas
     一种气体的密度
• 密度（磁盘存储数据的可用空间）
  the amount of space available on a disk for recording data
  1. a high/double density floppy
     高密度 / 双密度软盘

柯林斯词典

• N-VAR 密度;稠密;密集
  Densityis the extent to which something is filled or covered with people or things.
  1. ...a law which restricts the density of housing...
     限制房屋密集程度的法规
  2. The region has a very high population density.
     该地区的人口密度很高。
  3. ...areas with high densities of immigrant populations.
     移民人口稠密的地区
• N-VAR （物质或物体的）密度
  In science, thedensityof a substance or object is the relation of its mass or weight to its volume.
  1. Jupiter's moon Io, whose density is 3.5 grams per cubic centimetre, is all rock.
     密度为每立方厘米 3.5 克的木星卫星木卫一上遍布岩石。

英英释义

noun

• the amount per unit size
  Synonym:denseness
• the spatial property of being crowded together
  Synonym:concentrationdensenesstightnesscompactness

双语例句

• The compression and density make this a difficult book to read, but it richly rewards the effort.
  这本书内容丰富，思想深刻，很难读懂，但是非常值得一读。
• Mercury has a much greater density than water.
  水银的密度比水大得多。
• Objective to assess the effects of salmon calcitonin on bone mineral density in osteoporosis patients with hip fracture.
  目的观察肌注鲑鱼降钙素对并骨质疏松症的髋部骨折患者骨密度的影响。
• Combining performance, density, and embedded RAM.
  结合性能，密度和嵌入式RAM。
• The treatment of precipitates and the calcination process could affect the particle size distribution and appearance density.
  对沉淀物的处理和烧结过程的控制将会影响到粒子的尺度分布和表观比重。
• The aircraft was flying above the density of the fog.
  飞机在浓雾上方飞行。
• Australia has a very low population density.
  澳洲人口密度很低。
• The structure and vibrational frequencies of Ractopamine molecule in the THz range were simulated by density functional theory.
  采用密度泛函理论对莱克多巴胺分子的结构和振动频率进行了模拟。
• The region has a very high population density.
  该地区的人口密度很高。
• In the higher-dimensional theory, however, the relation between curvature and density changes.
  但是在更高维度的理论中，曲率和密度的关系则改变了。